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--- a/lib/sparklines.rb 2023-04-26 07:46:30.263829168 +0200
+++ b/lib/sparklines.rb 2023-04-26 07:48:47.140656193 +0200
@@ -685,7 +685,7 @@
@draw = Magick::Draw.new
@draw.pointsize = @@pointsize # TODO Use height
@draw.pointsize = @options[:font_size] if @options.has_key?(:font_size)
- @canvas = Magick::Image.new(w , h) { self.background_color = bkg_col }
+ @canvas = Magick::Image.new(w , h) { |image| image.background_color = bkg_col }
# Make room for label and last value
unless @options[:label].nil?
@@ -697,7 +697,7 @@
w += @label_and_data_last_width
end
- @canvas = Magick::Image.new(w , h) { self.background_color = bkg_col }
+ @canvas = Magick::Image.new(w , h) { |image| image.background_color = bkg_col }
@canvas.format = "PNG"
# Draw label and last value
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